Re: [RFC PATCH 0/5] QEMU VFIO device assignment

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On 07/11/2010 11:24 PM, Alex Williamson wrote:

One other thing to be aware of is that vfio requires devices to be
PCI-2.3 compliant in order to support DisINTx.  This allows vfio to
support devices making use of shared INTx interrupts, but excludes older
devices that users maybe managed to get assigned to an exclusive
interrupt for kvm style assignment.

I suppose we might be able to make vfio work with either pci 2.3 devices
or older devices with exclusive interrupts if that ends up affecting
many users.

PCI 2.3 is already old enough (6-7 years?) that I believe we can require it.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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